The Victorian opposition leader, John Pesutto, will face a leadership spill on Friday, with Berwick MP Brad Battin emerging as his most likely challenger. Battin and Liberal MPs Sam Groth, James Newbury, Richard Riordan and Bridget Vallence on Sunday called a party room meeting for Friday, where Guardian Australia understands a motion to spill the leadership will be moved. Another motion will also be moved calling for exiled MP Moira Deeming to be readmitted to the party. Battin’s backers were confident he had the numbers for the spill to succeed and would likely install former professional tennis player turned Nepean